Re: Setting up dual-boot on Indigo2 for 6.5 and 5.3...

From: Rainer Latka (spam.trap_at_tiscali.de)
Date: 08/11/04 

Date: Wed, 11 Aug 2004 19:13:31 +0200

Ian Mapleson wrote:
> Dear All,
>
> I'm trying to setup an Indigo2 so that it can boot with either
> 6.5 or 5.3. Not wishing to make things too complicated, all I
> want is a script for each installation which one can run as root
> that will change the appropriate nvram settings and then reboot.
>
> The disk on SCSI ID 1 has a 6.5.15m installation. The 5.3 disk
> is on ID 2 (5.3 with XFS to be precise).
>
> So far, when I run the script on the 6.5 disk, it correctly sets
> SystemPartition and OSLoadPartition, but after rebooting the
> 5.3 startup gives the normal copyright message followed by this error:
>
> WARNING: initial mount of root device 0x2000010 failed with errno 22
>
> A few seconds later the screen clears and then this error is displayed:
>
> PANIC: vfs_mountroot: no root found
>
> Does anyone know what's happening? What is vfs_mountroot? I can't

Check that following params are set in the environment:

OSLoader=sash
OSLoadFilename=/unix

I once had a similar problem (dont remember the exact error messages,
but I belief they were different) trying to boot from a disk connected
to the external SCSI. These two params solved it. Seem to be the
default, but required when booting from other disk

Rainer

> find any reference to it on techpubs, and there's no man page for it
> on either installation. I tried using grep to see if any of the scripts
> in /etc would be responsible for printout out either message, but none
> of them are. I'm going through bcheckrc and brc at the moment, trying
> to see how things are initially mounted, but it's a bit of a shell
> script decyphering job. Any ideas?
>
> If I restart and do a resetenv in Command Monitor, all returns to normal
> and 6.5 boots fine. If I manually put the 5.3 disk back to SCSI ID 1, it
> also boots ok, so whatever is going wrong at least I know it's not
> harming the two installations.
>
> Thanks for any help!
>
> Cheers! :)
>
> Ian.

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